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Source: Lubrizol
Lubrizol Proposal Prompts Revision of UL 1581 Reference Standard
Includes new tables for 90 degrees Celsius and 105 degrees Celsius TPUs

CLEVELAND, Ohio, Mar 8, 2013 - (ACN Newswire) - The Lubrizol Corporation announces that it was successful in helping revise the UL 1581 reference standard for electrical wires, cables, and flexible cords. Two added tables will help wire and cable manufacturers develop higher-temperature-rated ruggedized products using Lubrizol's Estane(R) TPU polymers as a jacketing material.

Lubrizol submitted a proposal to have TPU-specific tables created in section 50 of UL 1581. Following a review by UL's Collaborative Standards Development System (CSDS), the revision of UL 1581 was approved. The latest revision of UL 1581 dated January 30, 2013 includes the two new tables: 50.227.1 and 50.227.2 for 90 degrees Celsius and 105 degrees Celsius TPUs respectively. For the 90 degrees Celsius rating, the table specifies maintaining 65 percent of original tensile strength and 70 percent of original ultimate elongation. For the 105 degrees Celsius rating, the material is required to maintain 35 percent of original tensile strength and 85 percent of original ultimate elongation. These new requirements reflect the aging behavior of polyether TPUs.

"Until recently, TPUs could only be rated at a maximum of 80 degrees Celsius under section 50 of UL standard 1581-there were no tables specifying requirements for temperatures higher than that," notes Chetan Makadia, Lubrizol senior applications engineer for Engineered Polymers. This often led cable-products manufacturers to bypass TPU as a jacketing material for cables used in higher-temperature industrial applications. With the revised standard, it is now possible for cable customers to enjoy all the benefits of Lubrizol's Estane TPU polymers, including resistance to oil and chemicals, as well as the higher temperatures.

Lubrizol manufactures several different Estane TPU products for wire and cable markets meeting the new requirements of UL 1581 for 90 degrees Celsius and 105 degrees Celsius. For more information about Estane and other Lubrizol Engineered Polymers, please go to www.lubrizol.com .

About The Lubrizol Corporation

The Lubrizol Corporation, a Berkshire Hathaway company, is an innovative specialty chemical company that produces and supplies technologies to customers in the global transportation, industrial and consumer markets. These technologies include lubricant additives for engine oils, other transportation-related fluids and industrial lubricants, as well as fuel additives for gasoline and diesel fuel. In addition, Lubrizol makes ingredients and additives for personal care products and pharmaceuticals; specialty materials, including plastics technology and performance coatings in the form of specialty resins and additives. Lubrizol's industry-leading technologies in additives, ingredients and compounds enhance the quality, performance and value of customers' products, while reducing their environmental impact.

With headquarters in Wickliffe, Ohio, The Lubrizol Corporation owns and operates manufacturing facilities in 17 countries, as well as sales and technical offices around the world. Founded in 1928, Lubrizol has approximately 7,000 employees worldwide. Revenues for 2012 were $6.1 billion. For more information, visit www.lubrizol.com .

Estane(R) is a registered trademark of The Lubrizol Corporation.

Media Contact
Michael Priola
+1-216-447-5697
Website: www.lubrizol.com


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(ii) they are solely responsible for the content, accuracy and originality of the information contained therein.

Source: Lubrizol via Thomson Reuters ONE

Topic: Press release summary

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